Require Ruby 2.7 or newer

Author: bastelfreak

puppet-lint-strict_indent-check.gemspec

@@ -18,6 +18,8 @@ Gem::Specification.new do |spec|
     Extends puppet-lint to ensure that your manifests follow a strict indentation pattern.
   EOF
 
+  spec.required_ruby_version = '>= 2.7.0'
+
   spec.add_dependency             'puppet-lint', '>= 3', '< 5'
   spec.add_development_dependency 'rspec', '~> 3.0'
   spec.add_development_dependency 'rspec-its', '~> 1.0'